The correct answer is: B. for exchange to occur, each seller must have a product that some buyer wants.
The coincidence-of-wants problem refers to a potential problem individuals might face when conducting a barter trade. In a barter trade system, one individual buys something from another individual by giving him or her another thing in return. An example of a barter trade between farmers would be trading five sheep for five goats. However, when conducting a barter trade, both sellers involved must have a product that some buyer wants. This refers to 'coincidence of wants'.
Authors may use keywords or transitions to help readers identify a comparison or a contrast.
Contrasts may contain transitions, such as "despite," "however," "rather," and "but." Comparisons may contain transition, such as "similarly," "in like manner," and "likewise."
It means you demonstrate aggression and willingness to fight.
A: Biography telling the story of life
Answer:
ANSWER IS B stage directions
Explanation: